The purpose of the current project is to demonstrate a complete interactive application capable of recognizing 2D hand gestures in order to interact with computer-based board games without the use of a special input devices, such as pointer, mouse or keyboard. A web camera is placed at the top of the platform and captures in real-time player's hand gestures and then recognizes the position of his fingertip on the board. The user is able to choose a piece, select a destination spot and move a piece just by simply placing and moving his/her index finger onto the board. Therefore an interactive, compact platform was developed, containing a light-wood construction, a printed chess board and a conventional webcam in order to test the effectiveness of the system. The suggested interactive system is fully compatible with the latest software technologies, uses a custom GUI, real-time 2D hand gesture recognizer and earcons.
The current paper presents a system for the dynamic simulation of the human hand. The simulation of the human hand offers the capability to acquire handshapes that correspond to letters of the finger alphabet, enabling an integrated representation of words and sentences. The hand model is designed using the Autodesk Inventor TM and Autodesk AutoCad TM design environments. The user is able to type words or sentences which are dynamically translated into postures according to the finger alphabet. The system is based on the physiometric characteristics of an average human hand. High precision design is utilized in every part through integration of all the necessary functionalities needed to perform the movements required. The system has been tested on more than 500 words with a letter representation success rate in the range of 95-97%.
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